本书所选小说是中国大陆年青作家赵振开的优秀作品。
THESE stories of a society where basic human needs are ignored represent some of the finest writing to come out of China since the forties.
还分析了不同开度情况下非线性约束对自振周期和振幅的影响。
The effect of nonlinear binding force on period and amplitude are also analyzed.
建立了新型开铁口机电动钻冲机构的力学模型，计算了它的固有频率和主振型。
Mechanical model of the drill carriage with rotation and vibrating hammer for the new type taphole drill is established.
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